Q04

Non-billable

Other congenital malformations of brain

Q04 is the ICD-10-CM code for Other congenital malformations of brain. It is a non-billable category code — use a more specific child code such as Q04.0 for billing.

Status
Header (non-billable)
Chapter
Q00-Q99
Subcodes
9
Edition
FY2026

Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities

Excludes1 — not coded here

Frequently asked questions

What is ICD-10 code Q04?
Q04 is the ICD-10-CM code for "Other congenital malformations of brain". It falls under Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities.
Is Q04 a billable code?
No — Q04 is a non-billable header code. Use a more specific child code (such as Q04.0) for billing.
What are the subcodes of Q04?
Q04 has 9 more specific child codes, including Q04.0, Q04.1, Q04.2.
What is excluded from Q04?
Excludes1 (not coded here): cyclopia (Q87.0); macrocephaly (Q75.3).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

Look up another ICD-10 code or condition

Powered by Eleplan

Free ICD-10 lookup is just the start. Eleplan keeps the whole care plan in one place.

Diagnoses, medications, documents, appointments, and the whole care team — organized and always in sync, with Ellie, your AI care assistant, on top of it. Free to start.